Reliable™ RA6424SS175 Product Description
Reliable™ Model F1-56SS Upright Fire Sprinkler Head
Sprinkler Identification Number (SIN): RA6424
This Upright sprinkler features a Stainless Steel finish and a 175°F (79°C) temperature rating.
The Reliable™ Model F1-56SS Upright Fire Sprinkler is a standard response, standard coverage sprinkler with a 5.6 K-Factor. It includes a 3 mm heat-sensitive glass bulb, a 1/2 in. NPT thread connection, and is constructed with a stainless steel frame and stainless steel deflector. The finish is Stainless Steel.
This is a standard response, standard coverage upright sprinkler with a maximum working pressure of 175 PSI. The sprinkler operates by means of a heat-activated bulb that opens at 175°F.
The RA6424 must be installed in the upright position. Refer to the manufacturer’s technical bulletin for installation specifications and the list of approved accessories.
Reliable™ Upright Fire Sprinkler (RA6424) Listings and Approvals
Each RA6424 sprinkler head is manufactured by Reliable™ and carries the following listings and approvals when properly installed:
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UL Listed
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cULus Listed
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FM Approved
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CE Marked
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VdS Approved
RA6424 Upright Sprinkler – Design Specifications
The Reliable™ RA6424SS175 is designed for use in NFPA 13-compliant systems. Refer to the manufacturer’s data sheet for information regarding coverage areas, design pressure, and system compatibility. This sprinkler is designed for use in wet-pipe fire sprinkler systems and has a maximum working pressure of 175 PSI (12.1 BAR).
RA6424 Installation and Accessories
To ensure proper installation, avoid over-tightening which may damage the 1/2 in. NPT threads or the sprinkler. Use the approved installation wrench and refer to the data sheet for full torque guidelines and handling precautions.
Approved Accessories:
Sprinkler Wrench:
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Model W2
Guards and Shields:
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D-1 Guard (cULus)
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D-3 Guard & Shield (cULus)
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C-1 Guard (FM – available in type 316 stainless steel)
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C-3 Guard & Shield (cULus, FM)
Note: The guard and shield accessories listed for this sprinkler are not corrosion resistant unless specifically identified.
Available RA6424 Sprinkler Heads
This upright sprinkler is also available in a Stainless Steel finish at the following temperature ratings:
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135°F (57°C)
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155°F (68°C)
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175°F (79°C)
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200°F (93°C)
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286°F (141°C)
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360°F (182°C)
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500°F (260°C)
